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3 years ago

PLSSSSSS HELPPPP MEEE WITHH THISS QUESTION ASAP NO GUESSING AND ANSWER CORRECTLY!!!!!!

Mathematics

1 answer:

jasenka [17]3 years ago

7 0

Answer:

Very crowded- A

Step-by-step explanation:

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Write the equation in siope-intercept form for the line that passes through the given pointand is perpendicular to the given equ

yulyashka [42]

For a line in the form:

$\begin{gathered} ax+by=c \\ The\text{ slope m is:} \\ m=-\frac{a}{b} \end{gathered}$

In this case, for the line 2x + 10y = 20 with a=2 and b=10 the slope is:

$\begin{gathered} m_1=-\frac{a}{b}=-\frac{2}{10} \\ m_1=-\frac{1}{5} \end{gathered}$

Now, two lines are perpendiculars if the slopes satisfy the following equation:

$m_2=-\frac{1}{m_1}$

So, for the line we want the slope is:

$\begin{gathered} m_1=-\frac{1}{5} \\ m_2=-\frac{1}{m_1}=-\frac{1}{(-\frac{1}{5})}=5 \end{gathered}$

Finally, the line pass througth the point (2, 3) with slope m=5, so the equation is:

$\begin{gathered} P_1=(2,3),m=5 \\ y=mx+b \\ \text{The P1 must satisfy the equation:} \\ 3=5\cdot2+b \\ b=3-10 \\ b=-7 \end{gathered}$

The equation of the line is y = 5x - 7

7 0

1 year ago

The value of investments in the stock market change daily. Suppose you buy a stock for $1500. It decreases in value by 5% and th

Dmitriy789 [7]

Answer:

$1,524.75

Step-by-step explanation:

Purchase price = $1,500

Percentage decrease = 5% or 0.05 as a decimal

Amount by which the stock decreased = - (1500*0.05) = -$75

So at first, the price decrease to = $1,500 - $75 = $1,425

Secondly, the percentage increase in price = 7% or 0.07 as a decimal

Amount by which the stock increased = (1,425*0.07) = $99.75

Therefore, the price rose to = $1,425 + $99.75 = $1,524.75

New value is therefore $1,524.75

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4 years ago

The sum of the measures of two of the angles formed by the intersection of two lines is 114°. Find the measures of all angles. I

JulijaS [17]

Answer:

Measures of all angles are 57°, 57°, 123°, 123°

Step-by-step explanation:

Given:

Sum of two angles = 114°

Find:

Measures of all angles

Computation:

Sum of all 4 angles = 360°

Sum of remain 2 angles = 360° - 114°

Sum of remain 2 angles = 246°

So, first two angles = 114° / 2 = 57°

Second two angles = 246° / 2 = 123°

So, measures of all angles are 57°, 57°, 123°, 123°

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3 years ago

In an effort to reduce health care costs, General Motors sponsored a study to help employees stop smoking. In the study, 439 vol

Artist 52 [7]

Answer:

Step-by-step explanation:

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3 years ago

What’s the Definition of face

suter [353]

Answer:

the front part of a person's head from the forehead to the chin, or the corresponding part in an animal.

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4 years ago